Oil for Hydraulic Systems (ISO VG 68)
Selection inputs for ISO VG 68 hydraulic oils used in warmer conditions or heavier-duty systems where specified.
This page lists neutral selection inputs. Confirm equipment manufacturer specifications before selecting a lubricant.
Operating Conditions
| Operating Parameter | Typical Range/Value |
|---|---|
| Temperature | Often selected for warmer ambient or higher operating temps (per OEM) |
| Pump Type | Vane/gear/piston (match OEM specification) |
| Duty Cycle | Continuous duty can stress oxidation stability |
| Water/Contamination | Water separation and filtration affect life |
Required Lubricant Properties
| Required Property | Specification |
|---|---|
| Viscosity Grade | ISO VG 68 (per OEM) |
| Anti-wear Performance | As required by pump/manufacturer spec |
| Demulsibility | Good water separation where applicable |
| Oxidation Stability | High to resist varnish/sludge |
Availability
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Sources
- OEM manuals
- Manufacturer documentation
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